Kepler 452B, or Earth 2.0

Kepler 452B, or Earth 2.0

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Kepler 452B

The sweep of NASA Kepler mission’s search for small, habitable planets in the last six years

Nasa

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Kepler 452B

A graphic of the crafts that have carried out Exoplanet missions

Nasa

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Kepler 452B

This size and scale of the Kepler-452 system compared alongside the Kepler-186 system and the solar system

Nasa

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Kepler 452B

Since Kepler launched in 2009, twelve planets less than twice the size of Earth have been discovered in the habitable zones of their stars.

Getty

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Kepler 452B

Today Kepler-452b is receiving 10 percent more energy from its parent star than the Earth is from the Sun

Nasa

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Kepler 452B

Twelve Exoplanet discoveries from Kepler that are less than twice the size of Earth and reside in the habitable zone of their host star.

Nasa

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Kepler 452B

There are 4,696 planet candidates now known with the release of the seventh Kepler planet candidate catalog - an increase of 521 since the release of the previous catalog in Jan. 2015

Nasa

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Kepler 452B

Highlighted are new planet candidates from the seventh Kepler planet candidate catalog that are less than twice the size of Earth and orbit in the stars' habitable zone—the range of distances from a star where liquid water could exist on the surface of an orbiting planet

Nasa

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Kepler 452Bg

A unique feature of the seventh Kepler candidate catalog is that it is the first to fully automate the assessment of transit-like signals.

Nasa

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A artist's comparison of Kepler-452b and 51 PEG b

Nasa

He also explained that: "Transiting exoplanets [planets that pass in front of their star] are worth their weight in gold because they can be extensively characterised."

The planet has also been tipped as a perfect observation subject by Nasa's James Webb Space Telescope, which launched in 2018.

Complex observations into the planet have revealed that it is around 4.5 times heavier than Earth, and orbits its star once every three days.

This sky map shows HD 219134b's star circled in yellow. It is visible from Earth, and lies just next to the Cassiopeia constellation.

It's also around 1.6 times larger than Earth, and by combining the estimated size and mass, scientists have figured out its density, concluding that the planet is rocky, like our planet - and not icy, or gaseous.

Even though the planet is millions of miles away, scientists could soon be able to figure out the ingredients of its atmosphere.